Finding the Fourth Proportional to 478,081.78, 716,955.55 and 141,032.98

Step by Step Solution

1. Step 1: Write the proportion equation
   478,081.78 : 716,955.55 = 141,032.98 : x
2. Step 2: Convert to fraction form
   478,081.78/716,955.55 = 141,032.98/x
3. Step 3: Cross multiply
   478,081.78x = 716,955.55 × 141,032.98
4. Step 4: Simplify right side
   478,081.78x = 101,114,377,744.04
5. Step 5: Solve for x
   x = 101,114,377,744.04/478,081.78
6. Step 6: Final answer
   x = 211,500.17