Finding the Fourth Proportional to 111,116,349.57, 153,326,020.79 and 64,075,160.49

Step by Step Solution

1. Step 1: Write the proportion equation
   111,116,349.57 : 153,326,020.79 = 64,075,160.49 : x
2. Step 2: Convert to fraction form
   111,116,349.57/153,326,020.79 = 64,075,160.49/x
3. Step 3: Cross multiply
   111,116,349.57x = 153,326,020.79 × 64,075,160.49
4. Step 4: Simplify right side
   111,116,349.57x = 9,824,389,389,091,950
5. Step 5: Solve for x
   x = 9,824,389,389,091,950/111,116,349.57
6. Step 6: Final answer
   x = 88,415,336.06