Finding the Fourth Proportional to 90,970,116, 136,435,081.52 and 26,259,859.68

Step by Step Solution

1. Step 1: Write the proportion equation
   90,970,116 : 136,435,081.52 = 26,259,859.68 : x
2. Step 2: Convert to fraction form
   90,970,116/136,435,081.52 = 26,259,859.68/x
3. Step 3: Cross multiply
   90,970,116x = 136,435,081.52 × 26,259,859.68
4. Step 4: Simplify right side
   90,970,116x = 3,582,766,096,144,561.50
5. Step 5: Solve for x
   x = 3,582,766,096,144,561.50/90,970,116
6. Step 6: Final answer
   x = 39,383,989.53