Finding the Fourth Proportional to 31,005,516, 42,791,686.44 and 17,779,868.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,005,516 : 42,791,686.44 = 17,779,868.60 : x
2. Step 2: Convert to fraction form
   31,005,516/42,791,686.44 = 17,779,868.60/x
3. Step 3: Cross multiply
   31,005,516x = 42,791,686.44 × 17,779,868.60
4. Step 4: Simplify right side
   31,005,516x = 760,830,562,075,601.75
5. Step 5: Solve for x
   x = 760,830,562,075,601.75/31,005,516
6. Step 6: Final answer
   x = 24,538,555.08