Finding the Fourth Proportional to 116,780, 161,157.04 and 63,788

Step by Step Solution

1. Step 1: Write the proportion equation
   116,780 : 161,157.04 = 63,788 : x
2. Step 2: Convert to fraction form
   116,780/161,157.04 = 63,788/x
3. Step 3: Cross multiply
   116,780x = 161,157.04 × 63,788
4. Step 4: Simplify right side
   116,780x = 10,279,885,267.52
5. Step 5: Solve for x
   x = 10,279,885,267.52/116,780
6. Step 6: Final answer
   x = 88,027.79