Finding the Fourth Proportional to 259,222,085.56, 388,833,522.05 and 105,868,142.00

Step by Step Solution

1. Step 1: Write the proportion equation
   259,222,085.56 : 388,833,522.05 = 105,868,142.00 : x
2. Step 2: Convert to fraction form
   259,222,085.56/388,833,522.05 = 105,868,142.00/x
3. Step 3: Cross multiply
   259,222,085.56x = 388,833,522.05 × 105,868,142.00
4. Step 4: Simplify right side
   259,222,085.56x = 41,165,082,526,528,160
5. Step 5: Solve for x
   x = 41,165,082,526,528,160/259,222,085.56
6. Step 6: Final answer
   x = 158,802,373.79