Finding the Fourth Proportional to 375,408.69, 563,108.27 and 91,101.57

Step by Step Solution

1. Step 1: Write the proportion equation
   375,408.69 : 563,108.27 = 91,101.57 : x
2. Step 2: Convert to fraction form
   375,408.69/563,108.27 = 91,101.57/x
3. Step 3: Cross multiply
   375,408.69x = 563,108.27 × 91,101.57
4. Step 4: Simplify right side
   375,408.69x = 51,300,047,021.48
5. Step 5: Solve for x
   x = 51,300,047,021.48/375,408.69
6. Step 6: Final answer
   x = 136,651.20