Finding the Fourth Proportional to 31,191.81, 46,773.88 and 19,345.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,191.81 : 46,773.88 = 19,345.10 : x
2. Step 2: Convert to fraction form
   31,191.81/46,773.88 = 19,345.10/x
3. Step 3: Cross multiply
   31,191.81x = 46,773.88 × 19,345.10
4. Step 4: Simplify right side
   31,191.81x = 904,845,552.82
5. Step 5: Solve for x
   x = 904,845,552.82/31,191.81
6. Step 6: Final answer
   x = 29,009.08