Finding the Fourth Proportional to 42,636,808.80, 59,825,901.60 and 42,636,808.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,636,808.80 : 59,825,901.60 = 42,636,808.80 : x
2. Step 2: Convert to fraction form
   42,636,808.80/59,825,901.60 = 42,636,808.80/x
3. Step 3: Cross multiply
   42,636,808.80x = 59,825,901.60 × 42,636,808.80
4. Step 4: Simplify right side
   42,636,808.80x = 2,550,785,527,806,814
5. Step 5: Solve for x
   x = 2,550,785,527,806,814/42,636,808.80
6. Step 6: Final answer
   x = 59,825,901.60