Finding the Fourth Proportional to 52,076.50, 78,070.94 and 42,191.26

Step by Step Solution

1. Step 1: Write the proportion equation
   52,076.50 : 78,070.94 = 42,191.26 : x
2. Step 2: Convert to fraction form
   52,076.50/78,070.94 = 42,191.26/x
3. Step 3: Cross multiply
   52,076.50x = 78,070.94 × 42,191.26
4. Step 4: Simplify right side
   52,076.50x = 3,293,911,327.98
5. Step 5: Solve for x
   x = 3,293,911,327.98/52,076.50
6. Step 6: Final answer
   x = 63,251.40