Finding the Fourth Proportional to 78,327,976.17, 117,418,915.72 and 26,476,501.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,327,976.17 : 117,418,915.72 = 26,476,501.84 : x
2. Step 2: Convert to fraction form
   78,327,976.17/117,418,915.72 = 26,476,501.84/x
3. Step 3: Cross multiply
   78,327,976.17x = 117,418,915.72 × 26,476,501.84
4. Step 4: Simplify right side
   78,327,976.17x = 3,108,842,137,524,290.50
5. Step 5: Solve for x
   x = 3,108,842,137,524,290.50/78,327,976.17
6. Step 6: Final answer
   x = 39,690,060.81