Finding the Fourth Proportional to 21,783,411.88, 32,654,819.42 and 7,396,642.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,783,411.88 : 32,654,819.42 = 7,396,642.60 : x
2. Step 2: Convert to fraction form
   21,783,411.88/32,654,819.42 = 7,396,642.60/x
3. Step 3: Cross multiply
   21,783,411.88x = 32,654,819.42 × 7,396,642.60
4. Step 4: Simplify right side
   21,783,411.88x = 241,536,028,417,279.28
5. Step 5: Solve for x
   x = 241,536,028,417,279.28/21,783,411.88
6. Step 6: Final answer
   x = 11,088,071.50