Finding the Fourth Proportional to 137,041.98, 205,598.34 and 42,270.02

Step by Step Solution

1. Step 1: Write the proportion equation
   137,041.98 : 205,598.34 = 42,270.02 : x
2. Step 2: Convert to fraction form
   137,041.98/205,598.34 = 42,270.02/x
3. Step 3: Cross multiply
   137,041.98x = 205,598.34 × 42,270.02
4. Step 4: Simplify right side
   137,041.98x = 8,690,645,943.77
5. Step 5: Solve for x
   x = 8,690,645,943.77/137,041.98
6. Step 6: Final answer
   x = 63,415.94