Finding the Fourth Proportional to 697,684,061.36, 962,501,498.39 and 415,268,134.58

Step by Step Solution

1. Step 1: Write the proportion equation
   697,684,061.36 : 962,501,498.39 = 415,268,134.58 : x
2. Step 2: Convert to fraction form
   697,684,061.36/962,501,498.39 = 415,268,134.58/x
3. Step 3: Cross multiply
   697,684,061.36x = 962,501,498.39 × 415,268,134.58
4. Step 4: Simplify right side
   697,684,061.36x = 399,696,201,766,870,144
5. Step 5: Solve for x
   x = 399,696,201,766,870,144/697,684,061.36
6. Step 6: Final answer
   x = 572,889,971.12