Finding the Fourth Proportional to 9,359,545.34, 12,914,985.12 and 5,490,654.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359,545.34 : 12,914,985.12 = 5,490,654.86 : x
2. Step 2: Convert to fraction form
   9,359,545.34/12,914,985.12 = 5,490,654.86/x
3. Step 3: Cross multiply
   9,359,545.34x = 12,914,985.12 × 5,490,654.86
4. Step 4: Simplify right side
   9,359,545.34x = 70,911,725,815,955.69
5. Step 5: Solve for x
   x = 70,911,725,815,955.69/9,359,545.34
6. Step 6: Final answer
   x = 7,576,407.11