Finding the Fourth Proportional to 53,173,947.32, 79,760,920.98 and 12,784,432.76

Step by Step Solution

1. Step 1: Write the proportion equation
   53,173,947.32 : 79,760,920.98 = 12,784,432.76 : x
2. Step 2: Convert to fraction form
   53,173,947.32/79,760,920.98 = 12,784,432.76/x
3. Step 3: Cross multiply
   53,173,947.32x = 79,760,920.98 × 12,784,432.76
4. Step 4: Simplify right side
   53,173,947.32x = 1,019,698,131,144,483.38
5. Step 5: Solve for x
   x = 1,019,698,131,144,483.38/53,173,947.32
6. Step 6: Final answer
   x = 19,176,649.14