Finding the Fourth Proportional to 76,035.52, 113,941.98 and 42,820.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,035.52 : 113,941.98 = 42,820.36 : x
2. Step 2: Convert to fraction form
   76,035.52/113,941.98 = 42,820.36/x
3. Step 3: Cross multiply
   76,035.52x = 113,941.98 × 42,820.36
4. Step 4: Simplify right side
   76,035.52x = 4,879,036,602.71
5. Step 5: Solve for x
   x = 4,879,036,602.71/76,035.52
6. Step 6: Final answer
   x = 64,167.86