Finding the Fourth Proportional to 8,791,038.29, 12,131,472.27 and 4,870,780.11

Step by Step Solution

1. Step 1: Write the proportion equation
   8,791,038.29 : 12,131,472.27 = 4,870,780.11 : x
2. Step 2: Convert to fraction form
   8,791,038.29/12,131,472.27 = 4,870,780.11/x
3. Step 3: Cross multiply
   8,791,038.29x = 12,131,472.27 × 4,870,780.11
4. Step 4: Simplify right side
   8,791,038.29x = 59,089,733,843,101.43
5. Step 5: Solve for x
   x = 59,089,733,843,101.43/8,791,038.29
6. Step 6: Final answer
   x = 6,721,587.59