Finding the Fourth Proportional to 65,313, 90,151.18 and 42,655.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,313 : 90,151.18 = 42,655.48 : x
2. Step 2: Convert to fraction form
   65,313/90,151.18 = 42,655.48/x
3. Step 3: Cross multiply
   65,313x = 90,151.18 × 42,655.48
4. Step 4: Simplify right side
   65,313x = 3,845,441,523.45
5. Step 5: Solve for x
   x = 3,845,441,523.45/65,313
6. Step 6: Final answer
   x = 58,877.12