Finding the Fourth Proportional to 92,741.50, 138,998.22 and 42,752.26

Step by Step Solution

1. Step 1: Write the proportion equation
   92,741.50 : 138,998.22 = 42,752.26 : x
2. Step 2: Convert to fraction form
   92,741.50/138,998.22 = 42,752.26/x
3. Step 3: Cross multiply
   92,741.50x = 138,998.22 × 42,752.26
4. Step 4: Simplify right side
   92,741.50x = 5,942,488,040.98
5. Step 5: Solve for x
   x = 5,942,488,040.98/92,741.50
6. Step 6: Final answer
   x = 64,075.82