Finding the Fourth Proportional to 76,593.90, 105,697.71 and 42,602.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,593.90 : 105,697.71 = 42,602.46 : x
2. Step 2: Convert to fraction form
   76,593.90/105,697.71 = 42,602.46/x
3. Step 3: Cross multiply
   76,593.90x = 105,697.71 × 42,602.46
4. Step 4: Simplify right side
   76,593.90x = 4,502,982,066.00
5. Step 5: Solve for x
   x = 4,502,982,066.00/76,593.90
6. Step 6: Final answer
   x = 58,790.35