Finding the Fourth Proportional to 191,147.61, 286,728.71 and 97,544.01

Step by Step Solution

1. Step 1: Write the proportion equation
   191,147.61 : 286,728.71 = 97,544.01 : x
2. Step 2: Convert to fraction form
   191,147.61/286,728.71 = 97,544.01/x
3. Step 3: Cross multiply
   191,147.61x = 286,728.71 × 97,544.01
4. Step 4: Simplify right side
   191,147.61x = 27,968,667,667.81
5. Step 5: Solve for x
   x = 27,968,667,667.81/191,147.61
6. Step 6: Final answer
   x = 146,319.74