Finding the Fourth Proportional to 207,667.02, 286,580.45 and 112,173.72

Step by Step Solution

1. Step 1: Write the proportion equation
   207,667.02 : 286,580.45 = 112,173.72 : x
2. Step 2: Convert to fraction form
   207,667.02/286,580.45 = 112,173.72/x
3. Step 3: Cross multiply
   207,667.02x = 286,580.45 × 112,173.72
4. Step 4: Simplify right side
   207,667.02x = 32,146,795,155.77
5. Step 5: Solve for x
   x = 32,146,795,155.77/207,667.02
6. Step 6: Final answer
   x = 154,799.71