Finding the Fourth Proportional to 139,392,743.33, 192,339,726.22 and 77,513,532.05

Step by Step Solution

1. Step 1: Write the proportion equation
   139,392,743.33 : 192,339,726.22 = 77,513,532.05 : x
2. Step 2: Convert to fraction form
   139,392,743.33/192,339,726.22 = 77,513,532.05/x
3. Step 3: Cross multiply
   139,392,743.33x = 192,339,726.22 × 77,513,532.05
4. Step 4: Simplify right side
   139,392,743.33x = 14,908,931,533,419,936
5. Step 5: Solve for x
   x = 14,908,931,533,419,936/139,392,743.33
6. Step 6: Final answer
   x = 106,956,296.12