Finding the Fourth Proportional to 133,128,401.82, 199,333,759.77 and 86,955,932.94

Step by Step Solution

1. Step 1: Write the proportion equation
   133,128,401.82 : 199,333,759.77 = 86,955,932.94 : x
2. Step 2: Convert to fraction form
   133,128,401.82/199,333,759.77 = 86,955,932.94/x
3. Step 3: Cross multiply
   133,128,401.82x = 199,333,759.77 × 86,955,932.94
4. Step 4: Simplify right side
   133,128,401.82x = 17,333,253,047,238,190
5. Step 5: Solve for x
   x = 17,333,253,047,238,190/133,128,401.82
6. Step 6: Final answer
   x = 130,199,512.73