Finding the Fourth Proportional to 791,010.42, 1,186,505.71 and 191,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   791,010.42 : 1,186,505.71 = 191,976.50 : x
2. Step 2: Convert to fraction form
   791,010.42/1,186,505.71 = 191,976.50/x
3. Step 3: Cross multiply
   791,010.42x = 1,186,505.71 × 191,976.50
4. Step 4: Simplify right side
   791,010.42x = 227,781,213,435.82
5. Step 5: Solve for x
   x = 227,781,213,435.82/791,010.42
6. Step 6: Final answer
   x = 287,962.34