Finding the Fourth Proportional to 6,327,415,689.63, 9,484,479,641.89 and 2,128,910,895.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327,415,689.63 : 9,484,479,641.89 = 2,128,910,895.48 : x
2. Step 2: Convert to fraction form
   6,327,415,689.63/9,484,479,641.89 = 2,128,910,895.48/x
3. Step 3: Cross multiply
   6,327,415,689.63x = 9,484,479,641.89 × 2,128,910,895.48
4. Step 4: Simplify right side
   6,327,415,689.63x = 20,191,612,047,577,870,336
5. Step 5: Solve for x
   x = 20,191,612,047,577,870,336/6,327,415,689.63
6. Step 6: Final answer
   x = 3,191,130,951.09