Finding the Fourth Proportional to 139,016,503.98, 191,844,098.19 and 77,142,599.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,016,503.98 : 191,844,098.19 = 77,142,599.82 : x
2. Step 2: Convert to fraction form
   139,016,503.98/191,844,098.19 = 77,142,599.82/x
3. Step 3: Cross multiply
   139,016,503.98x = 191,844,098.19 × 77,142,599.82
4. Step 4: Simplify right side
   139,016,503.98x = 14,799,352,494,499,954
5. Step 5: Solve for x
   x = 14,799,352,494,499,954/139,016,503.98
6. Step 6: Final answer
   x = 106,457,521.74