Finding the Fourth Proportional to 191,243.34, 286,903.89 and 66,594.06

Step by Step Solution

1. Step 1: Write the proportion equation
   191,243.34 : 286,903.89 = 66,594.06 : x
2. Step 2: Convert to fraction form
   191,243.34/286,903.89 = 66,594.06/x
3. Step 3: Cross multiply
   191,243.34x = 286,903.89 × 66,594.06
4. Step 4: Simplify right side
   191,243.34x = 19,106,094,864.89
5. Step 5: Solve for x
   x = 19,106,094,864.89/191,243.34
6. Step 6: Final answer
   x = 99,904.63