Finding the Fourth Proportional to 139,065,860.30, 208,440,109.35 and 56,014,456.17

Step by Step Solution

1. Step 1: Write the proportion equation
   139,065,860.30 : 208,440,109.35 = 56,014,456.17 : x
2. Step 2: Convert to fraction form
   139,065,860.30/208,440,109.35 = 56,014,456.17/x
3. Step 3: Cross multiply
   139,065,860.30x = 208,440,109.35 × 56,014,456.17
4. Step 4: Simplify right side
   139,065,860.30x = 11,675,659,369,255,582
5. Step 5: Solve for x
   x = 11,675,659,369,255,582/139,065,860.30
6. Step 6: Final answer
   x = 83,957,768.96