Finding the Fourth Proportional to 74,705,994.39, 112,080,649.91 and 30,978,633.63

Step by Step Solution

1. Step 1: Write the proportion equation
   74,705,994.39 : 112,080,649.91 = 30,978,633.63 : x
2. Step 2: Convert to fraction form
   74,705,994.39/112,080,649.91 = 30,978,633.63/x
3. Step 3: Cross multiply
   74,705,994.39x = 112,080,649.91 × 30,978,633.63
4. Step 4: Simplify right side
   74,705,994.39x = 3,472,105,390,419,289
5. Step 5: Solve for x
   x = 3,472,105,390,419,289/74,705,994.39
6. Step 6: Final answer
   x = 46,476,931.59