Finding the Fourth Proportional to 207,111.16, 310,667.55 and 63,018.42

Step by Step Solution

1. Step 1: Write the proportion equation
   207,111.16 : 310,667.55 = 63,018.42 : x
2. Step 2: Convert to fraction form
   207,111.16/310,667.55 = 63,018.42/x
3. Step 3: Cross multiply
   207,111.16x = 310,667.55 × 63,018.42
4. Step 4: Simplify right side
   207,111.16x = 19,577,778,146.27
5. Step 5: Solve for x
   x = 19,577,778,146.27/207,111.16
6. Step 6: Final answer
   x = 94,527.88