Finding the Fourth Proportional to 70,981.34, 106,545.86 and 52,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,981.34 : 106,545.86 = 52,282.50 : x
2. Step 2: Convert to fraction form
   70,981.34/106,545.86 = 52,282.50/x
3. Step 3: Cross multiply
   70,981.34x = 106,545.86 × 52,282.50
4. Step 4: Simplify right side
   70,981.34x = 5,570,483,925.45
5. Step 5: Solve for x
   x = 5,570,483,925.45/70,981.34
6. Step 6: Final answer
   x = 78,478.15