Finding the Fourth Proportional to 109,468.75, 151,069.50 and 61,070.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,468.75 : 151,069.50 = 61,070.30 : x
2. Step 2: Convert to fraction form
   109,468.75/151,069.50 = 61,070.30/x
3. Step 3: Cross multiply
   109,468.75x = 151,069.50 × 61,070.30
4. Step 4: Simplify right side
   109,468.75x = 9,225,859,380.50
5. Step 5: Solve for x
   x = 9,225,859,380.50/109,468.75
6. Step 6: Final answer
   x = 84,278.48