Finding the Fourth Proportional to 9,516,267.30, 13,132,108.90 and 5,386,209.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516,267.30 : 13,132,108.90 = 5,386,209.72 : x
2. Step 2: Convert to fraction form
   9,516,267.30/13,132,108.90 = 5,386,209.72/x
3. Step 3: Cross multiply
   9,516,267.30x = 13,132,108.90 × 5,386,209.72
4. Step 4: Simplify right side
   9,516,267.30x = 70,732,292,601,278.50
5. Step 5: Solve for x
   x = 70,732,292,601,278.50/9,516,267.30
6. Step 6: Final answer
   x = 7,432,776.99