Finding the Fourth Proportional to 555,389.51, 833,112.79 and 156,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   555,389.51 : 833,112.79 = 156,061.42 : x
2. Step 2: Convert to fraction form
   555,389.51/833,112.79 = 156,061.42/x
3. Step 3: Cross multiply
   555,389.51x = 833,112.79 × 156,061.42
4. Step 4: Simplify right side
   555,389.51x = 130,016,762,554.63
5. Step 5: Solve for x
   x = 130,016,762,554.63/555,389.51
6. Step 6: Final answer
   x = 234,100.14