Finding the Fourth Proportional to 231,180,784.57, 319,075,830.35 and 137,147,126.01

Step by Step Solution

1. Step 1: Write the proportion equation
   231,180,784.57 : 319,075,830.35 = 137,147,126.01 : x
2. Step 2: Convert to fraction form
   231,180,784.57/319,075,830.35 = 137,147,126.01/x
3. Step 3: Cross multiply
   231,180,784.57x = 319,075,830.35 × 137,147,126.01
4. Step 4: Simplify right side
   231,180,784.57x = 43,760,333,111,756,832
5. Step 5: Solve for x
   x = 43,760,333,111,756,832/231,180,784.57
6. Step 6: Final answer
   x = 189,290,529.46