Finding the Fourth Proportional to 32,985,429.60, 49,495,859.10 and 13,818,124.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,985,429.60 : 49,495,859.10 = 13,818,124.20 : x
2. Step 2: Convert to fraction form
   32,985,429.60/49,495,859.10 = 13,818,124.20/x
3. Step 3: Cross multiply
   32,985,429.60x = 49,495,859.10 × 13,818,124.20
4. Step 4: Simplify right side
   32,985,429.60x = 683,939,928,429,500.25
5. Step 5: Solve for x
   x = 683,939,928,429,500.25/32,985,429.60
6. Step 6: Final answer
   x = 20,734,607.27