Finding the Fourth Proportional to 31,027.61, 42,819 and 19,097.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,027.61 : 42,819 = 19,097.93 : x
2. Step 2: Convert to fraction form
   31,027.61/42,819 = 19,097.93/x
3. Step 3: Cross multiply
   31,027.61x = 42,819 × 19,097.93
4. Step 4: Simplify right side
   31,027.61x = 817,754,264.67
5. Step 5: Solve for x
   x = 817,754,264.67/31,027.61
6. Step 6: Final answer
   x = 26,355.70