Finding the Fourth Proportional to 52,291,300.48, 78,446,525.68 and 21,569,120

Step by Step Solution

1. Step 1: Write the proportion equation
   52,291,300.48 : 78,446,525.68 = 21,569,120 : x
2. Step 2: Convert to fraction form
   52,291,300.48/78,446,525.68 = 21,569,120/x
3. Step 3: Cross multiply
   52,291,300.48x = 78,446,525.68 × 21,569,120
4. Step 4: Simplify right side
   52,291,300.48x = 1,692,022,525,975,001.75
5. Step 5: Solve for x
   x = 1,692,022,525,975,001.75/52,291,300.48
6. Step 6: Final answer
   x = 32,357,629.48