Finding the Fourth Proportional to 70,932.78, 97,886.75 and 38,667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   70,932.78 : 97,886.75 = 38,667.31 : x
2. Step 2: Convert to fraction form
   70,932.78/97,886.75 = 38,667.31/x
3. Step 3: Cross multiply
   70,932.78x = 97,886.75 × 38,667.31
4. Step 4: Simplify right side
   70,932.78x = 3,785,016,869.09
5. Step 5: Solve for x
   x = 3,785,016,869.09/70,932.78
6. Step 6: Final answer
   x = 53,360.62