Finding the Fourth Proportional to 83,093,946.72, 124,640,752.56 and 78,037,428.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,093,946.72 : 124,640,752.56 = 78,037,428.48 : x
2. Step 2: Convert to fraction form
   83,093,946.72/124,640,752.56 = 78,037,428.48/x
3. Step 3: Cross multiply
   83,093,946.72x = 124,640,752.56 × 78,037,428.48
4. Step 4: Simplify right side
   83,093,946.72x = 9,726,643,813,594,378
5. Step 5: Solve for x
   x = 9,726,643,813,594,378/83,093,946.72
6. Step 6: Final answer
   x = 117,055,985.39