Finding the Fourth Proportional to 19,681,522.76, 29,520,290.72 and 5,306,043.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,681,522.76 : 29,520,290.72 = 5,306,043.72 : x
2. Step 2: Convert to fraction form
   19,681,522.76/29,520,290.72 = 5,306,043.72/x
3. Step 3: Cross multiply
   19,681,522.76x = 29,520,290.72 × 5,306,043.72
4. Step 4: Simplify right side
   19,681,522.76x = 156,635,953,187,430.25
5. Step 5: Solve for x
   x = 156,635,953,187,430.25/19,681,522.76
6. Step 6: Final answer
   x = 7,958,528.16