Finding the Fourth Proportional to 121,061.63, 181,593.35 and 42,175.73

Step by Step Solution

1. Step 1: Write the proportion equation
   121,061.63 : 181,593.35 = 42,175.73 : x
2. Step 2: Convert to fraction form
   121,061.63/181,593.35 = 42,175.73/x
3. Step 3: Cross multiply
   121,061.63x = 181,593.35 × 42,175.73
4. Step 4: Simplify right side
   121,061.63x = 7,658,830,980.55
5. Step 5: Solve for x
   x = 7,658,830,980.55/121,061.63
6. Step 6: Final answer
   x = 63,263.90