Finding the Fourth Proportional to 139,443,381.02, 209,190,604.76 and 57,517,566.41

Step by Step Solution

1. Step 1: Write the proportion equation
   139,443,381.02 : 209,190,604.76 = 57,517,566.41 : x
2. Step 2: Convert to fraction form
   139,443,381.02/209,190,604.76 = 57,517,566.41/x
3. Step 3: Cross multiply
   139,443,381.02x = 209,190,604.76 × 57,517,566.41
4. Step 4: Simplify right side
   139,443,381.02x = 12,032,134,502,082,442
5. Step 5: Solve for x
   x = 12,032,134,502,082,442/139,443,381.02
6. Step 6: Final answer
   x = 86,286,881.56