Finding the Fourth Proportional to 52,298.90, 78,513.35 and 52,059.14

Step by Step Solution

1. Step 1: Write the proportion equation
   52,298.90 : 78,513.35 = 52,059.14 : x
2. Step 2: Convert to fraction form
   52,298.90/78,513.35 = 52,059.14/x
3. Step 3: Cross multiply
   52,298.90x = 78,513.35 × 52,059.14
4. Step 4: Simplify right side
   52,298.90x = 4,087,337,479.52
5. Step 5: Solve for x
   x = 4,087,337,479.52/52,298.90
6. Step 6: Final answer
   x = 78,153.41