Finding the Fourth Proportional to 141,345.16, 194,975.10 and 88,261

Step by Step Solution

1. Step 1: Write the proportion equation
   141,345.16 : 194,975.10 = 88,261 : x
2. Step 2: Convert to fraction form
   141,345.16/194,975.10 = 88,261/x
3. Step 3: Cross multiply
   141,345.16x = 194,975.10 × 88,261
4. Step 4: Simplify right side
   141,345.16x = 17,208,697,301.10
5. Step 5: Solve for x
   x = 17,208,697,301.10/141,345.16
6. Step 6: Final answer
   x = 121,749.46