Finding the Fourth Proportional to 43,219,200.56, 64,828,911.42 and 17,660,209.86

Step by Step Solution

1. Step 1: Write the proportion equation
   43,219,200.56 : 64,828,911.42 = 17,660,209.86 : x
2. Step 2: Convert to fraction form
   43,219,200.56/64,828,911.42 = 17,660,209.86/x
3. Step 3: Cross multiply
   43,219,200.56x = 64,828,911.42 × 17,660,209.86
4. Step 4: Simplify right side
   43,219,200.56x = 1,144,892,180,672,550.50
5. Step 5: Solve for x
   x = 1,144,892,180,672,550.50/43,219,200.56
6. Step 6: Final answer
   x = 26,490,359.98