Finding the Fourth Proportional to 64,873,641.74, 89,048,748.24 and 57,367,002.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,873,641.74 : 89,048,748.24 = 57,367,002.38 : x
2. Step 2: Convert to fraction form
   64,873,641.74/89,048,748.24 = 57,367,002.38/x
3. Step 3: Cross multiply
   64,873,641.74x = 89,048,748.24 × 57,367,002.38
4. Step 4: Simplify right side
   64,873,641.74x = 5,108,459,752,220,101
5. Step 5: Solve for x
   x = 5,108,459,752,220,101/64,873,641.74
6. Step 6: Final answer
   x = 78,744,766.21