Finding the Fourth Proportional to 30,660,607.58, 42,300,953.67 and 19,653,426.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,660,607.58 : 42,300,953.67 = 19,653,426.32 : x
2. Step 2: Convert to fraction form
   30,660,607.58/42,300,953.67 = 19,653,426.32/x
3. Step 3: Cross multiply
   30,660,607.58x = 42,300,953.67 × 19,653,426.32
4. Step 4: Simplify right side
   30,660,607.58x = 831,358,676,007,573.88
5. Step 5: Solve for x
   x = 831,358,676,007,573.88/30,660,607.58
6. Step 6: Final answer
   x = 27,114,879.38