Finding the Fourth Proportional to 116,557,748.18, 160,845,479.16 and 64,345,664.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,557,748.18 : 160,845,479.16 = 64,345,664.96 : x
2. Step 2: Convert to fraction form
   116,557,748.18/160,845,479.16 = 64,345,664.96/x
3. Step 3: Cross multiply
   116,557,748.18x = 160,845,479.16 × 64,345,664.96
4. Step 4: Simplify right side
   116,557,748.18x = 10,349,709,312,360,022
5. Step 5: Solve for x
   x = 10,349,709,312,360,022/116,557,748.18
6. Step 6: Final answer
   x = 88,794,691.68