Finding the Fourth Proportional to 73,931.49, 102,026.43 and 42,100.52

Step by Step Solution

1. Step 1: Write the proportion equation
   73,931.49 : 102,026.43 = 42,100.52 : x
2. Step 2: Convert to fraction form
   73,931.49/102,026.43 = 42,100.52/x
3. Step 3: Cross multiply
   73,931.49x = 102,026.43 × 42,100.52
4. Step 4: Simplify right side
   73,931.49x = 4,295,365,246.61
5. Step 5: Solve for x
   x = 4,295,365,246.61/73,931.49
6. Step 6: Final answer
   x = 58,099.27