Finding the Fourth Proportional to 12,433,031.10, 18,652,068.90 and 3,911,385.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,433,031.10 : 18,652,068.90 = 3,911,385.60 : x
2. Step 2: Convert to fraction form
   12,433,031.10/18,652,068.90 = 3,911,385.60/x
3. Step 3: Cross multiply
   12,433,031.10x = 18,652,068.90 × 3,911,385.60
4. Step 4: Simplify right side
   12,433,031.10x = 72,955,433,705,667.83
5. Step 5: Solve for x
   x = 72,955,433,705,667.83/12,433,031.10
6. Step 6: Final answer
   x = 5,867,871.89