Finding the Fourth Proportional to 76,510.02, 105,577.10 and 42,516.35

Step by Step Solution

1. Step 1: Write the proportion equation
   76,510.02 : 105,577.10 = 42,516.35 : x
2. Step 2: Convert to fraction form
   76,510.02/105,577.10 = 42,516.35/x
3. Step 3: Cross multiply
   76,510.02x = 105,577.10 × 42,516.35
4. Step 4: Simplify right side
   76,510.02x = 4,488,753,146.38
5. Step 5: Solve for x
   x = 4,488,753,146.38/76,510.02
6. Step 6: Final answer
   x = 58,668.83