Finding the Fourth Proportional to 116,556,632.21, 160,843,935.72 and 64,344,546.76

Step by Step Solution

1. Step 1: Write the proportion equation
   116,556,632.21 : 160,843,935.72 = 64,344,546.76 : x
2. Step 2: Convert to fraction form
   116,556,632.21/160,843,935.72 = 64,344,546.76/x
3. Step 3: Cross multiply
   116,556,632.21x = 160,843,935.72 × 64,344,546.76
4. Step 4: Simplify right side
   116,556,632.21x = 10,349,430,142,997,974
5. Step 5: Solve for x
   x = 10,349,430,142,997,974/116,556,632.21
6. Step 6: Final answer
   x = 88,793,146.70