Finding the Fourth Proportional to 137,771.06, 190,075.15 and 90,051.94

Step by Step Solution

1. Step 1: Write the proportion equation
   137,771.06 : 190,075.15 = 90,051.94 : x
2. Step 2: Convert to fraction form
   137,771.06/190,075.15 = 90,051.94/x
3. Step 3: Cross multiply
   137,771.06x = 190,075.15 × 90,051.94
4. Step 4: Simplify right side
   137,771.06x = 17,116,636,003.29
5. Step 5: Solve for x
   x = 17,116,636,003.29/137,771.06
6. Step 6: Final answer
   x = 124,239.71