Finding the Fourth Proportional to 72,683,531.31, 109,073,780.73 and 37,700,886.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,683,531.31 : 109,073,780.73 = 37,700,886.81 : x
2. Step 2: Convert to fraction form
   72,683,531.31/109,073,780.73 = 37,700,886.81/x
3. Step 3: Cross multiply
   72,683,531.31x = 109,073,780.73 × 37,700,886.81
4. Step 4: Simplify right side
   72,683,531.31x = 4,112,178,261,240,489.50
5. Step 5: Solve for x
   x = 4,112,178,261,240,489.50/72,683,531.31
6. Step 6: Final answer
   x = 56,576,478.70