Finding the Fourth Proportional to 1,192,333.68, 1,788,978.42 and 434,227.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,333.68 : 1,788,978.42 = 434,227.98 : x
2. Step 2: Convert to fraction form
   1,192,333.68/1,788,978.42 = 434,227.98/x
3. Step 3: Cross multiply
   1,192,333.68x = 1,788,978.42 × 434,227.98
4. Step 4: Simplify right side
   1,192,333.68x = 776,824,485,580.19
5. Step 5: Solve for x
   x = 776,824,485,580.19/1,192,333.68
6. Step 6: Final answer
   x = 651,516.01