Finding the Fourth Proportional to 281,185,200.72, 421,805,521.89 and 96,928,419.42

Step by Step Solution

1. Step 1: Write the proportion equation
   281,185,200.72 : 421,805,521.89 = 96,928,419.42 : x
2. Step 2: Convert to fraction form
   281,185,200.72/421,805,521.89 = 96,928,419.42/x
3. Step 3: Cross multiply
   281,185,200.72x = 421,805,521.89 × 96,928,419.42
4. Step 4: Simplify right side
   281,185,200.72x = 40,884,942,539,425,912
5. Step 5: Solve for x
   x = 40,884,942,539,425,912/281,185,200.72
6. Step 6: Final answer
   x = 145,402,184.88