Finding the Fourth Proportional to 139,657,020.01, 192,732,667.01 and 77,777,358.37

Step by Step Solution

1. Step 1: Write the proportion equation
   139,657,020.01 : 192,732,667.01 = 77,777,358.37 : x
2. Step 2: Convert to fraction form
   139,657,020.01/192,732,667.01 = 77,777,358.37/x
3. Step 3: Cross multiply
   139,657,020.01x = 192,732,667.01 × 77,777,358.37
4. Step 4: Simplify right side
   139,657,020.01x = 14,990,237,711,063,594
5. Step 5: Solve for x
   x = 14,990,237,711,063,594/139,657,020.01
6. Step 6: Final answer
   x = 107,336,084.58