Finding the Fourth Proportional to 48,746,605.32, 67,231,090.89 and 42,853,639.47

Step by Step Solution

1. Step 1: Write the proportion equation
   48,746,605.32 : 67,231,090.89 = 42,853,639.47 : x
2. Step 2: Convert to fraction form
   48,746,605.32/67,231,090.89 = 42,853,639.47/x
3. Step 3: Cross multiply
   48,746,605.32x = 67,231,090.89 × 42,853,639.47
4. Step 4: Simplify right side
   48,746,605.32x = 2,881,096,930,174,861.50
5. Step 5: Solve for x
   x = 2,881,096,930,174,861.50/48,746,605.32
6. Step 6: Final answer
   x = 59,103,539.85