Finding the Fourth Proportional to 58,019.29, 87,027.72 and 31,377.98

Step by Step Solution

1. Step 1: Write the proportion equation
   58,019.29 : 87,027.72 = 31,377.98 : x
2. Step 2: Convert to fraction form
   58,019.29/87,027.72 = 31,377.98/x
3. Step 3: Cross multiply
   58,019.29x = 87,027.72 × 31,377.98
4. Step 4: Simplify right side
   58,019.29x = 2,730,754,157.51
5. Step 5: Solve for x
   x = 2,730,754,157.51/58,019.29
6. Step 6: Final answer
   x = 47,066.32