Finding the Fourth Proportional to 21,810,089.32, 32,721,024.06 and 6,663,607.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,810,089.32 : 32,721,024.06 = 6,663,607.72 : x
2. Step 2: Convert to fraction form
   21,810,089.32/32,721,024.06 = 6,663,607.72/x
3. Step 3: Cross multiply
   21,810,089.32x = 32,721,024.06 × 6,663,607.72
4. Step 4: Simplify right side
   21,810,089.32x = 218,040,068,532,521.72
5. Step 5: Solve for x
   x = 218,040,068,532,521.72/21,810,089.32
6. Step 6: Final answer
   x = 9,997,211.17