Finding the Fourth Proportional to 42,380.17, 58,495.98 and 26,455.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,380.17 : 58,495.98 = 26,455.03 : x
2. Step 2: Convert to fraction form
   42,380.17/58,495.98 = 26,455.03/x
3. Step 3: Cross multiply
   42,380.17x = 58,495.98 × 26,455.03
4. Step 4: Simplify right side
   42,380.17x = 1,547,512,905.78
5. Step 5: Solve for x
   x = 1,547,512,905.78/42,380.17
6. Step 6: Final answer
   x = 36,515.02