Finding the Fourth Proportional to 85,943,492, 128,918,795.52 and 25,359,218

Step by Step Solution

1. Step 1: Write the proportion equation
   85,943,492 : 128,918,795.52 = 25,359,218 : x
2. Step 2: Convert to fraction form
   85,943,492/128,918,795.52 = 25,359,218/x
3. Step 3: Cross multiply
   85,943,492x = 128,918,795.52 × 25,359,218
4. Step 4: Simplify right side
   85,943,492x = 3,269,279,839,889,103.50
5. Step 5: Solve for x
   x = 3,269,279,839,889,103.50/85,943,492
6. Step 6: Final answer
   x = 38,039,876.71