Finding the Fourth Proportional to 139,465,621.15, 192,456,777.76 and 75,886,222.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,465,621.15 : 192,456,777.76 = 75,886,222.82 : x
2. Step 2: Convert to fraction form
   139,465,621.15/192,456,777.76 = 75,886,222.82/x
3. Step 3: Cross multiply
   139,465,621.15x = 192,456,777.76 × 75,886,222.82
4. Step 4: Simplify right side
   139,465,621.15x = 14,604,817,920,892,952
5. Step 5: Solve for x
   x = 14,604,817,920,892,952/139,465,621.15
6. Step 6: Final answer
   x = 104,719,842.78