Finding the Fourth Proportional to 107,978.88, 161,969.28 and 37,858.08

Step by Step Solution

1. Step 1: Write the proportion equation
   107,978.88 : 161,969.28 = 37,858.08 : x
2. Step 2: Convert to fraction form
   107,978.88/161,969.28 = 37,858.08/x
3. Step 3: Cross multiply
   107,978.88x = 161,969.28 × 37,858.08
4. Step 4: Simplify right side
   107,978.88x = 6,131,845,959.78
5. Step 5: Solve for x
   x = 6,131,845,959.78/107,978.88
6. Step 6: Final answer
   x = 56,787.46