Finding the Fourth Proportional to 117,667.51, 176,499.72 and 28,921.81

Step by Step Solution

1. Step 1: Write the proportion equation
   117,667.51 : 176,499.72 = 28,921.81 : x
2. Step 2: Convert to fraction form
   117,667.51/176,499.72 = 28,921.81/x
3. Step 3: Cross multiply
   117,667.51x = 176,499.72 × 28,921.81
4. Step 4: Simplify right side
   117,667.51x = 5,104,691,366.89
5. Step 5: Solve for x
   x = 5,104,691,366.89/117,667.51
6. Step 6: Final answer
   x = 43,382.34