Finding the Fourth Proportional to 215,139,123.16, 322,774,544.51 and 110,168,789.02

Step by Step Solution

1. Step 1: Write the proportion equation
   215,139,123.16 : 322,774,544.51 = 110,168,789.02 : x
2. Step 2: Convert to fraction form
   215,139,123.16/322,774,544.51 = 110,168,789.02/x
3. Step 3: Cross multiply
   215,139,123.16x = 322,774,544.51 × 110,168,789.02
4. Step 4: Simplify right side
   215,139,123.16x = 35,559,680,694,204,144
5. Step 5: Solve for x
   x = 35,559,680,694,204,144/215,139,123.16
6. Step 6: Final answer
   x = 165,286,909.10