Finding the Fourth Proportional to 76,322.55, 105,331.59 and 42,341.99

Step by Step Solution

1. Step 1: Write the proportion equation
   76,322.55 : 105,331.59 = 42,341.99 : x
2. Step 2: Convert to fraction form
   76,322.55/105,331.59 = 42,341.99/x
3. Step 3: Cross multiply
   76,322.55x = 105,331.59 × 42,341.99
4. Step 4: Simplify right side
   76,322.55x = 4,459,949,130.46
5. Step 5: Solve for x
   x = 4,459,949,130.46/76,322.55
6. Step 6: Final answer
   x = 58,435.54