Finding the Fourth Proportional to 55,064,089.98, 82,521,730.96 and 20,966,835.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,064,089.98 : 82,521,730.96 = 20,966,835.42 : x
2. Step 2: Convert to fraction form
   55,064,089.98/82,521,730.96 = 20,966,835.42/x
3. Step 3: Cross multiply
   55,064,089.98x = 82,521,730.96 × 20,966,835.42
4. Step 4: Simplify right side
   55,064,089.98x = 1,730,219,551,611,838.50
5. Step 5: Solve for x
   x = 1,730,219,551,611,838.50/55,064,089.98
6. Step 6: Final answer
   x = 31,421,922.20