Finding the Fourth Proportional to 52,185.53, 78,129.30 and 48,875.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,185.53 : 78,129.30 = 48,875.06 : x
2. Step 2: Convert to fraction form
   52,185.53/78,129.30 = 48,875.06/x
3. Step 3: Cross multiply
   52,185.53x = 78,129.30 × 48,875.06
4. Step 4: Simplify right side
   52,185.53x = 3,818,573,834.61
5. Step 5: Solve for x
   x = 3,818,573,834.61/52,185.53
6. Step 6: Final answer
   x = 73,173.05