Finding the Fourth Proportional to 52,091,847.30, 78,165,764.55 and 21,802,772.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,091,847.30 : 78,165,764.55 = 21,802,772.10 : x
2. Step 2: Convert to fraction form
   52,091,847.30/78,165,764.55 = 21,802,772.10/x
3. Step 3: Cross multiply
   52,091,847.30x = 78,165,764.55 × 21,802,772.10
4. Step 4: Simplify right side
   52,091,847.30x = 1,704,230,350,505,909
5. Step 5: Solve for x
   x = 1,704,230,350,505,909/52,091,847.30
6. Step 6: Final answer
   x = 32,715,874.73