Finding the Fourth Proportional to 85,835,779.82, 118,454,219.61 and 46,678,407.47

Step by Step Solution

1. Step 1: Write the proportion equation
   85,835,779.82 : 118,454,219.61 = 46,678,407.47 : x
2. Step 2: Convert to fraction form
   85,835,779.82/118,454,219.61 = 46,678,407.47/x
3. Step 3: Cross multiply
   85,835,779.82x = 118,454,219.61 × 46,678,407.47
4. Step 4: Simplify right side
   85,835,779.82x = 5,529,254,329,496,444
5. Step 5: Solve for x
   x = 5,529,254,329,496,444/85,835,779.82
6. Step 6: Final answer
   x = 64,416,660.99