Finding the Fourth Proportional to 525,681.94, 788,522.83 and 126,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   525,681.94 : 788,522.83 = 126,322.72 : x
2. Step 2: Convert to fraction form
   525,681.94/788,522.83 = 126,322.72/x
3. Step 3: Cross multiply
   525,681.94x = 788,522.83 × 126,322.72
4. Step 4: Simplify right side
   525,681.94x = 99,608,348,667.70
5. Step 5: Solve for x
   x = 99,608,348,667.70/525,681.94
6. Step 6: Final answer
   x = 189,484.06