Finding the Fourth Proportional to 141,009,707.79, 194,594,101.07 and 88,117,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,009,707.79 : 194,594,101.07 = 88,117,128.50 : x
2. Step 2: Convert to fraction form
   141,009,707.79/194,594,101.07 = 88,117,128.50/x
3. Step 3: Cross multiply
   141,009,707.79x = 194,594,101.07 × 88,117,128.50
4. Step 4: Simplify right side
   141,009,707.79x = 17,147,073,407,913,622
5. Step 5: Solve for x
   x = 17,147,073,407,913,622/141,009,707.79
6. Step 6: Final answer
   x = 121,602,077.45