Finding the Fourth Proportional to 105,475,766.78, 158,180,110.73 and 98,590,078.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,475,766.78 : 158,180,110.73 = 98,590,078.52 : x
2. Step 2: Convert to fraction form
   105,475,766.78/158,180,110.73 = 98,590,078.52/x
3. Step 3: Cross multiply
   105,475,766.78x = 158,180,110.73 × 98,590,078.52
4. Step 4: Simplify right side
   105,475,766.78x = 15,594,989,537,075,492
5. Step 5: Solve for x
   x = 15,594,989,537,075,492/105,475,766.78
6. Step 6: Final answer
   x = 147,853,767.87