Finding the Fourth Proportional to 191,868.56, 287,638.72 and 73,624.76

Step by Step Solution

1. Step 1: Write the proportion equation
   191,868.56 : 287,638.72 = 73,624.76 : x
2. Step 2: Convert to fraction form
   191,868.56/287,638.72 = 73,624.76/x
3. Step 3: Cross multiply
   191,868.56x = 287,638.72 × 73,624.76
4. Step 4: Simplify right side
   191,868.56x = 21,177,331,726.71
5. Step 5: Solve for x
   x = 21,177,331,726.71/191,868.56
6. Step 6: Final answer
   x = 110,374.16