Finding the Fourth Proportional to 31,426,367.67, 47,141,543.69 and 9,861,820.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426,367.67 : 47,141,543.69 = 9,861,820.29 : x
2. Step 2: Convert to fraction form
   31,426,367.67/47,141,543.69 = 9,861,820.29/x
3. Step 3: Cross multiply
   31,426,367.67x = 47,141,543.69 × 9,861,820.29
4. Step 4: Simplify right side
   31,426,367.67x = 464,901,432,014,654.38
5. Step 5: Solve for x
   x = 464,901,432,014,654.38/31,426,367.67
6. Step 6: Final answer
   x = 14,793,355.60