Finding the Fourth Proportional to 81,870,437.95, 112,991,112.61 and 46,596,819.78

Step by Step Solution

1. Step 1: Write the proportion equation
   81,870,437.95 : 112,991,112.61 = 46,596,819.78 : x
2. Step 2: Convert to fraction form
   81,870,437.95/112,991,112.61 = 46,596,819.78/x
3. Step 3: Cross multiply
   81,870,437.95x = 112,991,112.61 × 46,596,819.78
4. Step 4: Simplify right side
   81,870,437.95x = 5,265,026,510,913,364
5. Step 5: Solve for x
   x = 5,265,026,510,913,364/81,870,437.95
6. Step 6: Final answer
   x = 64,309,250.60