Finding the Fourth Proportional to 65,732,185.32, 90,681,902.16 and 39,611,860.16

Step by Step Solution

1. Step 1: Write the proportion equation
   65,732,185.32 : 90,681,902.16 = 39,611,860.16 : x
2. Step 2: Convert to fraction form
   65,732,185.32/90,681,902.16 = 39,611,860.16/x
3. Step 3: Cross multiply
   65,732,185.32x = 90,681,902.16 × 39,611,860.16
4. Step 4: Simplify right side
   65,732,185.32x = 3,592,078,827,404,721.50
5. Step 5: Solve for x
   x = 3,592,078,827,404,721.50/65,732,185.32
6. Step 6: Final answer
   x = 54,647,184.02