Finding the Fourth Proportional to 55,064,018.53, 82,521,623.94 and 20,966,763.97

Step by Step Solution

1. Step 1: Write the proportion equation
   55,064,018.53 : 82,521,623.94 = 20,966,763.97 : x
2. Step 2: Convert to fraction form
   55,064,018.53/82,521,623.94 = 20,966,763.97/x
3. Step 3: Cross multiply
   55,064,018.53x = 82,521,623.94 × 20,966,763.97
4. Step 4: Simplify right side
   55,064,018.53x = 1,730,211,411,571,081.25
5. Step 5: Solve for x
   x = 1,730,211,411,571,081.25/55,064,018.53
6. Step 6: Final answer
   x = 31,421,815.15