Finding the Fourth Proportional to 152,362.96, 210,285.66 and 91,105

Step by Step Solution

1. Step 1: Write the proportion equation
   152,362.96 : 210,285.66 = 91,105 : x
2. Step 2: Convert to fraction form
   152,362.96/210,285.66 = 91,105/x
3. Step 3: Cross multiply
   152,362.96x = 210,285.66 × 91,105
4. Step 4: Simplify right side
   152,362.96x = 19,158,075,054.30
5. Step 5: Solve for x
   x = 19,158,075,054.30/152,362.96
6. Step 6: Final answer
   x = 125,739.71