Finding the Fourth Proportional to 224,061.30, 309,192.93 and 139,176.66

Step by Step Solution

1. Step 1: Write the proportion equation
   224,061.30 : 309,192.93 = 139,176.66 : x
2. Step 2: Convert to fraction form
   224,061.30/309,192.93 = 139,176.66/x
3. Step 3: Cross multiply
   224,061.30x = 309,192.93 × 139,176.66
4. Step 4: Simplify right side
   224,061.30x = 43,032,439,293.01
5. Step 5: Solve for x
   x = 43,032,439,293.01/224,061.30
6. Step 6: Final answer
   x = 192,056.55