Finding the Fourth Proportional to 128,942,892.43, 177,939,522.43 and 70,204,883.83

Step by Step Solution

1. Step 1: Write the proportion equation
   128,942,892.43 : 177,939,522.43 = 70,204,883.83 : x
2. Step 2: Convert to fraction form
   128,942,892.43/177,939,522.43 = 70,204,883.83/x
3. Step 3: Cross multiply
   128,942,892.43x = 177,939,522.43 × 70,204,883.83
4. Step 4: Simplify right side
   128,942,892.43x = 12,492,223,500,963,830
5. Step 5: Solve for x
   x = 12,492,223,500,963,830/128,942,892.43
6. Step 6: Final answer
   x = 96,881,830.91