Finding the Fourth Proportional to 165,903.58, 248,785.17 and 91,002.34

Step by Step Solution

1. Step 1: Write the proportion equation
   165,903.58 : 248,785.17 = 91,002.34 : x
2. Step 2: Convert to fraction form
   165,903.58/248,785.17 = 91,002.34/x
3. Step 3: Cross multiply
   165,903.58x = 248,785.17 × 91,002.34
4. Step 4: Simplify right side
   165,903.58x = 22,640,032,627.30
5. Step 5: Solve for x
   x = 22,640,032,627.30/165,903.58
6. Step 6: Final answer
   x = 136,465.00