Finding the Fourth Proportional to 76,552.61, 105,646.12 and 42,564.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,552.61 : 105,646.12 = 42,564.59 : x
2. Step 2: Convert to fraction form
   76,552.61/105,646.12 = 42,564.59/x
3. Step 3: Cross multiply
   76,552.61x = 105,646.12 × 42,564.59
4. Step 4: Simplify right side
   76,552.61x = 4,496,783,254.66
5. Step 5: Solve for x
   x = 4,496,783,254.66/76,552.61
6. Step 6: Final answer
   x = 58,741.08