Finding the Fourth Proportional to 257,014,048.72, 385,674,262.72 and 93,264,581.52

Step by Step Solution

1. Step 1: Write the proportion equation
   257,014,048.72 : 385,674,262.72 = 93,264,581.52 : x
2. Step 2: Convert to fraction form
   257,014,048.72/385,674,262.72 = 93,264,581.52/x
3. Step 3: Cross multiply
   257,014,048.72x = 385,674,262.72 × 93,264,581.52
4. Step 4: Simplify right side
   257,014,048.72x = 35,969,748,715,615,336
5. Step 5: Solve for x
   x = 35,969,748,715,615,336/257,014,048.72
6. Step 6: Final answer
   x = 139,952,461.33